It was so cold that they kept the fire all night． [ ] A．to burn B．burn C．burning
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![It was so cold that they kept the fire all night． [ ] A．to burn B．burn C．burning](/pic/43_771967.jpg)
It was so cold that they kept the fire ________ all night．
[]A．to burn
B．burn
C．burning
D．burned
试题答案
答案：C
提示：keep sth．/sb．doing sth．保持某人/物做某事。 |